.header {
  position: fixed;
  left: 0;
  top: 0;
  background-color: #fff;
  width: 100%;
  height: 80px;
  line-height: 80px;
  margin-bottom: 5px;
  z-index: 100;
}
.header .left_logo {
  float: left;
}
.header .left_logo img {
  width: 200px;
}
.header .right_navlis {
  float: right;
}
.header .right_navlis ul {
  display: flex;
  align-items: center;
}
.header .right_navlis li {
  height: 80px;
  float: left;
  display: flex;
  align-items: center;
  padding: 0 15px;
}
.header .right_navlis li a {
  padding-top: 25px;
  line-height: 1;
  color: #000;
  font-family: '微软雅黑';
  font-size: 30px;
  border-bottom: 4px solid transparent;
  padding-bottom: 5px;
}
.header .right_navlis li a:hover {
  color: rgba(243, 169, 31, 0.953);
  border-bottom: 4px solid rgba(79, 53, 145, 0.953);
}
.header .right_navlis li .active {
  border-bottom: 4px solid rgba(79, 53, 145, 0.953);
}
.banner {
  width: 100%;
  height: 760px;
  background: url(../img/bgtest1.webp) center no-repeat;
  background-size: cover;
  position: relative;
}
.banner h1 {
  font-size: 80px;
  color: #fff;
  text-align: center;
  position: absolute;
  left: 49%;
  top: 35%;
  transform: translate(-50%);
  word-break: keep-all;
  user-select: none;
}
.banner h4 {
  font-size: 40px;
  text-align: center;
  position: absolute;
  left: 50%;
  top: 55%;
  transform: translate(-50%);
  user-select: none;
  color: #fff;
}
.section .logo {
  margin-bottom: 20px;
}
.section .logo img {
  width: 220px;
}
